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wine-wine/dlls/uxtheme/uxini.c

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/*
* Win32 5.1 uxtheme ini file processing
*
* Copyright (C) 2004 Kevin Koltzau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
/***********************************************************************
* Defines and global variables
*/
static const WCHAR szTextFileResource[] = {
'T','E','X','T','F','I','L','E','\0'
};
typedef struct _UXINI_FILE {
LPCWSTR lpIni;
LPCWSTR lpCurLoc;
LPCWSTR lpEnd;
} UXINI_FILE, *PUXINI_FILE;
/***********************************************************************/
/**********************************************************************
* UXINI_LoadINI
*
* Load a theme INI file out of resources from the specified
* theme
*
* PARAMS
* tf Theme to load INI file out of resources
* lpName Resource name of the INI file
*
* RETURNS
* INI file, or NULL if not found
*/
PUXINI_FILE UXINI_LoadINI(HMODULE hTheme, LPCWSTR lpName) {
HRSRC hrsc;
LPCWSTR lpThemesIni = NULL;
PUXINI_FILE uf;
DWORD dwIniSize;
TRACE("Loading resource INI %s\n", debugstr_w(lpName));
if((hrsc = FindResourceW(hTheme, lpName, szTextFileResource))) {
if(!(lpThemesIni = LoadResource(hTheme, hrsc))) {
TRACE("%s resource not found\n", debugstr_w(lpName));
return NULL;
}
}
dwIniSize = SizeofResource(hTheme, hrsc) / sizeof(WCHAR);
uf = heap_alloc(sizeof(*uf));
uf->lpIni = lpThemesIni;
uf->lpCurLoc = lpThemesIni;
uf->lpEnd = lpThemesIni + dwIniSize;
return uf;
}
/**********************************************************************
* UXINI_CloseINI
*
* Close an open theme INI file
*
* PARAMS
* uf Theme INI file to close
*/
void UXINI_CloseINI(PUXINI_FILE uf)
{
heap_free(uf);
}
/**********************************************************************
* UXINI_eof
*
* Determines if we are at the end of the INI file
*
* PARAMS
* uf Theme INI file to test
*/
static inline BOOL UXINI_eof(PUXINI_FILE uf)
{
return uf->lpCurLoc >= uf->lpEnd;
}
/**********************************************************************
* UXINI_isspace
*
* Check if a character is a space character
*
* PARAMS
* c Character to test
*/
static inline BOOL UXINI_isspace(WCHAR c)
{
if (isspace(c)) return TRUE;
if (c=='\r') return TRUE;
return FALSE;
}
/**********************************************************************
* UXINI_GetNextLine
*
* Get the next line in the INI file, non NULL terminated
* removes whitespace at beginning and end of line, and removes comments
*
* PARAMS
* uf INI file to retrieve next line
* dwLen Location to store pointer to line length
*
* RETURNS
* The section name, non NULL terminated
*/
static LPCWSTR UXINI_GetNextLine(PUXINI_FILE uf, DWORD *dwLen)
{
LPCWSTR lpLineEnd;
LPCWSTR lpLineStart;
DWORD len;
do {
if(UXINI_eof(uf)) return NULL;
/* Skip whitespace and empty lines */
while(!UXINI_eof(uf) && (UXINI_isspace(*uf->lpCurLoc) || *uf->lpCurLoc == '\n')) uf->lpCurLoc++;
lpLineStart = uf->lpCurLoc;
lpLineEnd = uf->lpCurLoc;
while(!UXINI_eof(uf) && *uf->lpCurLoc != '\n' && *uf->lpCurLoc != ';') lpLineEnd = ++uf->lpCurLoc;
/* If comment was found, skip the rest of the line */
if(*uf->lpCurLoc == ';')
while(!UXINI_eof(uf) && *uf->lpCurLoc != '\n') uf->lpCurLoc++;
len = (lpLineEnd - lpLineStart);
if(*lpLineStart != ';' && len == 0)
return NULL;
} while(*lpLineStart == ';');
/* Remove whitespace from end of line */
while(UXINI_isspace(lpLineStart[len-1])) len--;
*dwLen = len;
return lpLineStart;
}
static inline void UXINI_UnGetToLine(PUXINI_FILE uf, LPCWSTR lpLine)
{
uf->lpCurLoc = lpLine;
}
/**********************************************************************
* UXINI_GetNextSection
*
* Locate the next section in the ini file, and return pointer to
* section name, non NULL terminated. Use dwLen to determine length
*
* PARAMS
* uf INI file to search, search starts at current location
* dwLen Location to store pointer to section name length
*
* RETURNS
* The section name, non NULL terminated
*/
LPCWSTR UXINI_GetNextSection(PUXINI_FILE uf, DWORD *dwLen)
{
LPCWSTR lpLine;
while((lpLine = UXINI_GetNextLine(uf, dwLen))) {
/* Assuming a ']' ending to the section name */
if(lpLine[0] == '[') {
lpLine++;
*dwLen -= 2;
break;
}
}
return lpLine;
}
/**********************************************************************
* UXINI_FindSection
*
* Locate a section with the specified name, search starts
* at current location in ini file
*
* PARAMS
* uf INI file to search, search starts at current location
* lpName Name of the section to locate
*
* RETURNS
* TRUE if section was found, FALSE otherwise
*/
BOOL UXINI_FindSection(PUXINI_FILE uf, LPCWSTR lpName)
{
LPCWSTR lpSection;
DWORD dwLen;
while((lpSection = UXINI_GetNextSection(uf, &dwLen))) {
if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, lpSection, dwLen, lpName, -1) == CSTR_EQUAL) {
return TRUE;
}
}
return FALSE;
}
/**********************************************************************
* UXINI_GetNextValue
*
* Locate the next value in the current section
*
* PARAMS
* uf INI file to search, search starts at current location
* dwNameLen Location to store pointer to value name length
* lpValue Location to store pointer to the value
* dwValueLen Location to store pointer to value length
*
* RETURNS
* The value name, non NULL terminated
*/
LPCWSTR UXINI_GetNextValue(PUXINI_FILE uf, DWORD *dwNameLen, LPCWSTR *lpValue, DWORD *dwValueLen)
{
LPCWSTR lpLine;
LPCWSTR lpLineEnd;
LPCWSTR name = NULL;
LPCWSTR value = NULL;
DWORD vallen = 0;
DWORD namelen = 0;
DWORD dwLen;
lpLine = UXINI_GetNextLine(uf, &dwLen);
if(!lpLine)
return NULL;
if(lpLine[0] == '[') {
UXINI_UnGetToLine(uf, lpLine);
return NULL;
}
lpLineEnd = lpLine + dwLen;
name = lpLine;
while(namelen < dwLen && *lpLine != '=') {
lpLine++;
namelen++;
}
if(*lpLine != '=') return NULL;
lpLine++;
/* Remove whitespace from end of name */
while(UXINI_isspace(name[namelen-1])) namelen--;
/* Remove whitespace from beginning of value */
while(UXINI_isspace(*lpLine) && lpLine < lpLineEnd) lpLine++;
value = lpLine;
vallen = dwLen-(value-name);
*dwNameLen = namelen;
*dwValueLen = vallen;
*lpValue = value;
return name;
}
/**********************************************************************
* UXINI_FindValue
*
* Locate a value by name
*
* PARAMS
* uf INI file to search, search starts at current location
* lpName Value name to locate
* lpValue Location to store pointer to the value
* dwValueLen Location to store pointer to value length
*
* RETURNS
* The value name, non NULL terminated
*/
BOOL UXINI_FindValue(PUXINI_FILE uf, LPCWSTR lpName, LPCWSTR *lpValue, DWORD *dwValueLen)
{
LPCWSTR name;
DWORD namelen;
while((name = UXINI_GetNextValue(uf, &namelen, lpValue, dwValueLen))) {
if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, name, namelen, lpName, -1) == CSTR_EQUAL) {
return TRUE;
}
}
return FALSE;
}
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